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Sensitivity settings, and how they're broken

After hours and hours of tedious testing, I've figured out what's wrong with both the ADS Sensitivity slider and Uniform Soldier Aim Coefficient slider, neither of which work as they should. Please keep in mind this is all in-game testing (min sensitivity, stopwatch, different settings, and hours of repeat testing), not from the files or with fancy formulas, as I lack the resources/ability to figure it out from that angle.

One would expect "100%" ADS sensitivity to mean hipfire and 1.0x ADS zoom have exactly the same sensitivity. They do not. The true 100% value is actually 166%. I admit it could be a few percentage points to each side, but only a couple at most, and 166% makes sense as a nice math-y, logical value.

It scales as expected otherwise, meaning if you want ADS to have 50% of your hipfire sensitivity (as I do), you set it to 83%, half of 166%. Nice and simple.

The more complex one was figuring out the Uniform Soldier Aim Coefficient. There was debate in BF4 as to whether you should keep it at the default 133% or actually match it to your aspect ratio, but that discussion is irrelevant in BF1 because it doesn't work that way at all. If your goal is to set sensitivity to correctly scale with zoom, meaning 4x zoom would be exactly four times less sensitive than hipfire/1x, then you're going to need settings lower than one would expect. The other caveat is the zoom levels are not actually what they're listed as, they're all a bit lower. For example, 3x is actually 2.792x, while 8x is 7.383x. They all still have the correct relationship to each other, they just "climb" at a slower rate. This is important, as you thus want "2.792x" zoom to be that much less sensitive, not three times less.

There is no one true value because it depends on your Field of View setting, but I've established how the (console) FoV range functions, and one can interpret their own setting from here, as with before, these could be off by 2-3 percent either side, but no more than that.

* Default 55 FoV = 100% Coefficient (nice and easy)

* 60 FoV = 94%

* 90 FoV = 61%

* 100 FoV = 50%

* 105 FoV = 45% (max console FoV)

The conversion rate appears to be 1.111% down for every 1 FoV up. Without hard formulas or file info, I admit each setting could be off by a couple percentage points, but no more than that, it makes too much difference after that.

This made a massive positive impact on my aim ability, and the bizarre thing was it felt drastically better, yet exactly the same as what I had before; there was maybe a match-length of time to get used to it. If anyone is curious and wants to try to figure out the logic (or lack of?) behind these, please do! I'd love hard confirmation and exact values on this.

Who Enjoys, Wins

This post has been edited 2 times, last edit by "BleedingUranium" (Jan 28th 2018, 2:31am)

Working for me on the PC, 1440p 90FOV, tested up to 4x (I don't Sniper).

Before I adjusted individual USA settings per zoom level to match, but had to go to the max 200% for 3x, and obviously could not go higher. With your settings the Medic Marksman 4x is useable. Thanks :-)

Was it broken by one of the patches? Is it console only or both console and PC??

I believe it's always been set up like this in BF1.

As for PC, I'd imagine it's the same but I can't test that. Controllers are far better to test, as sticks offer infinite, constant movement; to test rotation speed I set my sensitivity to 5% and held it to the side to spin in a circle on the horizontal plane, and timed how long it took to complete that. With ADS sens at the neutral 166%, I timed hipfire/1.0x at roughly 4.25 seconds for a rotation; as this value isn't affected by FoV settings, this allowed me to use it as the baseline for testing different higher zooms across different FoV settings.

This should work on PC too, but to make testing easier and more consistent, I temporarily rebound look left/right to left/right on the D-Pad, to avoid any up/down movement; for PC rebinding to a keyboard button would accomplish the same thing. I primarily tested with 10x (actually 9.244x) zoom for maximum difference and also the most precision (small inconsistencies of 0.1 second or so from the stopwatch impact the highest/slowest zoom least). If hipfire is ~4.25 seconds for a rotation, 10x should be 9.244 times as slow, meaning ~39.3 seconds. At this slow of a speed, a couple percentage points can make about a half-second difference, which is quite a bit when dealing with values this small. This is also why I'm quite confident in these values.

I fucking knew there was something wrong with the sensitivity settings in BF1. On console with controller and PC with MKB the ADS sens has always felt too high, and the scopes didn't feel like they scaled correctly at all like in BF4 with USA-on.

I always wanted to turn my ADS sens down but didnt want to lose muscle memory... now I know I can.

Will test with your suggested settings for a while and see how it feels and seems to react.

I am on PC and i tested with the 100% ADS sens. and at 166% ADS sens. The 100% is exactly a 1:1 scale.Works perfect. HOWEVER,when i put it at 166% my hip was 360 degrees and my 1x was a whopping 630 degrees.

@BleedingUranium. I am hoping that the FOV discrepancy that you have discovered still applies to the PC version of bf1 as i changed all that stuff.hahaha